https://github.com/shenzhe/geohash

php geohash extension
https://github.com/shenzhe/geohash

Last synced: about 2 months ago
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php geohash extension

• Host: GitHub
• URL: https://github.com/shenzhe/geohash
• Owner: shenzhe
• License: mit
• Created: 2014-02-12T10:04:54.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2018-04-19T04:34:46.000Z (over 6 years ago)
• Last Synced: 2024-08-03T20:07:33.288Z (5 months ago)
• Language: C
• Size: 17.6 KB
• Stars: 149
• Watchers: 12
• Forks: 53
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

Awesome Lists containing this project

• awesome-php-extensions - geohash - geohash (地理)

README

        
geohash

=======

php geohash extension  (php geohash 扩展)

编译

======

	git clone 到机器

    

    执行：

	phpize

	./configure

	make

	make install

	然后把 geohash.so 加入到php.ini中

	

方法

====

	/**

	 *  $latitude    //纬度

	 *  $longitude   //经度

	 *  $precision   //精密度, 默认是12

	 *  返回 $precision 长度的 string 

	 */

	geohash_encode($latitude, $longitude, $precision=12);  

	/**

	 *  $hash    //geohash_encode后的值

	 *  返回 array // Array

	 *					(

	 *					    [latitude] => 39.416916975752

	 *					    [longitude] => 100.92223992571

	 *					    [north] => 39.416917059571

	 *					    [east] => 100.92224009335

	 *					    [south] => 100.92223992571

	 *					    [west] => 100.92223975807

	 *					)

	 */

	geohash_decode($hash);

	/**

	 *  $hash    //geohash_encode后的值

	 *  返回 在$hash 8个方向的hash值 （顺序：N, NE, E, SE, S, SW, W, NW）

	 *  

	 *		  NW N NE

	 *		    \|/

	 *		  W - - E

	 *		    /|\

	 *		  SW S SE

	 * 

	 */

	geohash_neighbors($hash);

	/**

	 *  $precision    //精密度

	 *  返回 数组，array("width"=>12.0, "height"=>12.0) 

	 *  表示矩形的宽和高

	 */

	geohash_dimension($precision);